The application of recycle waste tires into civil engineering practices, namely asphalt paving mixtures and cementbased materials has been gaining ground across the world. This review summarizes and compares the recent achievements in the area of plain rubberized concrete (PRC), in details. Different treatment methods have been discussed to improve the performance of rubberized Portland cement ...

OBJECTIVES To characterize temperature-dependent emissions from paving and built-up roofing asphalt (BURA) and to quantify differences in temperature-related concentrations and composition. METHODS Using headspace gas chromatography, 18 polycyclic aromatic hydrocarbon (PAH) emission concentrations were quantified over eight temperatures (120-315°C) for paving asphalt (n = 20) and Types II, II...

Crazy paving pattern is the name given to characteristic polygonal pattern of interlobular thickening on computed tomography (CT scan) of the lung, which results from accumulation of collagen, interstitial fluid, cell, or other pathology and may be seen in multiple clinical conditions including metastatic cancer as described in this case.

To improve productivity in conventional concrete construction, autonomous robots that perform specific tasks are being developed. Single-task robots are capable of enhancing specific functions, though their impact on the overall productivity remains unclear. A robot that incorporates each task-specific piece of machinery used in the concrete paving process into one fully autonomous unit is eval...

Materials recycled with foam bitumen are promising materials for pavements economically and environmentally. However, there different opinions in the literature about how these positioned pavement. It is clear that their performances will not be suitable wearing course, but they used plant mixture base course because contain bitumen, neglected evaluation of materials. In study, 4 bituminous mix...

The incorporation of additives into bituminous mixes is a very important technique for improving the mechanical and electrical properties pavement body. purpose this work to present interpret different results tests carried out in laboratory; such as FENIX direct tensile test resistivity test. In work, we will comparative studies between characteristics based on conductive (steel fibers graphit...

This paper describes results from a study evaluating stringless paving using a combination of global positioning and laser technologies. A concrete paver manufacturer and a machine guidance solution provider developed this technology and successfully implemented it on construction earthmoving and grading projects. Concrete paving is a new area for considering this technology. A concrete paving ...

BACKGROUND Asphalt workers are exposed to polyaromatic hydrocarbons (PAHs) from hot mix asphalt via both inhalation and dermal absorption. The use of crumb rubber modified (CRM) asphalt may result in higher exposure to PAHs and more adverse effects. Our aim is to assess occupational exposure to PAHs from conventional and CRM asphalt paving by measuring PAH metabolites in urine, and to investiga...

Abstract In Indonesia, paving blocks are one of the most extensively used building materials. Paving ideal for making roads, parks, and parking lots because they easy to install, durable, weather-resistant. The high demand contributes increasing aggregate as main material blocks. This has an indirect impact on environment. On other hand, demolition waste is increasing. majority these materials ...